html,body{
	width:100%;
	height:95%;
	padding:0px;
	margin:0px;
}

#head{
height:50px;
}
#body{
height:95%;
width:99%;
margin-left:5px;
}
.nav_td{
width:200px;
text-align:center;
}
.nav_text{
cursor:pointer;
width:100px;
}
.nav_frame{
	height:100%;
	width:100%;
	border:0px;
}
.nav_div{
	width:85%;
	float:left;
}
.nav_user{
		width:10%;
    right:0px;
    position: absolute;
}
a{
text-decoration:none;	
}
.nav_table{
	height:50px;
}
.nav_usersetting{
	position:absolute;
	top:25px;
    display: none;
    width:75px;
    z-index:2;
}
.nav_unlogin{
	folat:left;
	text-align:center;
}
.nav_logined{
	width:100%;
	height:30px;
}
.nav_welcometext{
	position:absolute;
	right:0px;
	top:0px;
}
.nav_username{
position:relative;
}
.nav_username_div{
	position:absolute;
	right:50px;
	height:75px;
	width:150px;
	text-align: center;
}
.nav_usersetting_table{
    border: 1px solid #555555;
    text-align: center;
    border-spacing :0px;
    
}
.nav_usersetting_table tr:hover{
	background:#3388FF;
}
.login_table{
	position:relative;
	left:30px;
	top:5px;
}
.login_info_right{
	color:green;
	position:relative;
	left:30px;
	top:5px;
}
.login_info_wrong{
	color:red;
	position:relative;
	left:30px;
	top:5px;
}